import Dexie, { type EntityTable } from 'dexie';
import type { Patch } from 'immer';
import type { Slide, SlideTemplate, SlideTheme } from '../types/slides';
export interface writingBoardImg {
    id: string;
    dataURL: string;
}
export interface Snapshot {
    id: number;
    index: number;
    title?: string;
    theme?: SlideTheme;
    viewportSize?: number;
    viewportRatio?: number;
    templates?: SlideTemplate[];
    slides?: Slide[];
    patches?: Patch[];
    inversePatches?: Patch[];
}
export declare const deleteDiscardedDB: () => Promise<void>;
declare const db: Dexie & {
    snapshots: EntityTable<Snapshot, 'id'>;
    writingBoardImgs: EntityTable<writingBoardImg, 'id'>;
};
export { db };